How do i cast from my htc using usb cord?

[AC Question]

How do I cast from my HTC one using a usb

 

[B. Diddy]

Welcome to Android Central! Which HTC phone? Check to see if it supports either MHL or SlimPort, the two standards for connecting a phone to an HDMI input via cable:

MHL® – Devices
SlimPort supported devices

If it's not supported, then your best bet is to get a Chromecast.